Exodus 8:29 Young's Literal Translation Of The Holy Bible (YLT98)

and Moses saith, `Lo, I am going out from thee, and have made supplication unto Jehovah, and the beetle hath turned aside from Pharaoh, from his servants, and from his people--tomorrow, only let not Pharaoh add to deceive--in not sending thepeople away to sacrifice to Jehovah.'

Exodus 8

Exodus 8:24-30